A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide

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#Question id: 19015

#Part-A Aptitude & General Biotechnology

A combination of paper chromatography and electrophoresis involves______________

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#Question id: 19451

#Part-A Aptitude & General Biotechnology

We use different lenses in combinations. The total magnification is represented as

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#Question id: 3004

#Part-A Aptitude & General Biotechnology

Bacterium was inoculated into a rich medium. If at the end of 5 hours the total number of cells is 1024, then the number of elapsed generations and the generation time respectively is

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#Question id: 1545

#Part-B Specialized Branches in Biotechnology

B cells negatively regulated by,

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#Question id: 12488

#Part-A Aptitude & General Biotechnology

Retinoblastoma usually occurs as a sporadic event but in around 10% of cases there is a positive family history due to autosomal dominant inheritance. In these families the penetrance is approximately 80% (= 0.8). A woman with retinoblastoma, whose father and grandfather were also affected, has an unaffected partner with no relevant family history. Which of the following is correct regarding their children?